Pass Oracle 1z0-071 With Pass4Leader Exam Dumps - Updated on Dec-2021
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Prerequisites
There are no official requirements for passing the Oracle 1Z0-071 exam. However, it is recommended that the students have a good grasp of SQL syntax rules. They also need to be able to use general SQL functions, identify the result of fundamental DDL operations, and know how to implement SQL statements and functions.
Details for 1Z0-071
The 1Z0-071 exam contains about 78 questions and takes 2 hours for the applicants to complete all of them. There are mainly multiple-choice questions that cover a huge list of topics that include the following:
- Managing Tables and their Relationships by Using DML and DDL.
- Controlling User Access;
- Relational Database Concepts;
- Managing Data in Different Time Zones;
- Restricting and Sorting Data;
- Using Conditional Expressions as well as Conversion Functions;
Therefore, the first thing a responsible candidate should do is find a complete list of exam topics on the official Oracle webpage. Insofar as to be the Oracle Database SQL certified you must demonstrate a solid knowledge of how to model data and skills in using the SQL language to create and manipulate tables in the Oracle Database.
The passing score for this exam is 63%. It is even possible to take it in Spanish, not only the English language is available. To register for the test, simply go to your account at Pearson VUE and select your exam and don’t forget that you need to buy a voucher from the Oracle site. Follow the instructions to complete the registration process. The 1Z0-071 exam will cost you $245.
NEW QUESTION 64
Evaluate the following CREATE TABLEcommand:
Which statement is true regarding the above SQL statement?
- A. It would execute successfully and only ORD_ITM_IDX index would be created.
- B. It would execute successfully and two indexes ORD_ITM_IDX and ORD_ITM_ID_PK would be created.
- C. It would give an error because the USING INDEX clause cannot be used on a composite primary.
- D. It would give an error because the USING INDEX clause is not permitted in the CREATE TABLE command.
Answer: A
NEW QUESTION 65
Which three statements are true about indexes and their administration in an Oracle database?
- A. A DROP INDEX statement always prevents updates to the table during the drop operation
- B. If a query filters on an indexed column then it will always be used during execution of the query
- C. An index can be created as part of a CREATE TABLE statement.
- D. A UNIQUE and non-unique index can be created on the same table column
- E. A descending index is a type of function-based index
- F. An INVISIBLE index is not maintained when Data Manipulation Language (DML) is performed on its underlying table.
Answer: A,C,E
NEW QUESTION 66
Evaluate the following CRTEATE TABLE commands:
CREATE_TABLE orders
(ord_no NUMBER (2) CONSTRAINT ord_pk PRIMARY KEY,
ord_date DATE,
cust_id NUMBER (4) );
CREATE TABLE ord_items
(ord _no NUMBER (2),
item_no NUMBER(3),
qty NUMBER (3) CHECK (qty BETWEEEN 100 AND 200),
expiry_date date CHECK (expiry_date> SYSDATE),
CONSTRAINT it_pk PRIMARY KEY (ord_no, item_no),
CONSTARAINT ord_fk FOREIGN KEY (ord_no) REFERENCES orders (ord_no) );
Why would the ORD_ITEMS table not get created?
- A. ORD_NO and ITEM_NO cannot be used as a composite primary key because ORD_NO is also the FOREIGN KEY.
- B. SYSDATE cannot be used with the CHECK constraint.
- C. The CHECK constraint cannot be placed on columns having the DATE data type.
- D. The BETWEEN clause cannot be used for the CHECK constraint.
Answer: B
NEW QUESTION 67
Which two statements are true about a full outer join?
- A. It includes rows that are returned by an inner join.
- B. It returns matched and unmatched rows from both tables being joined.
- C. It returns only unmatched rows from both tables being joined.
- D. The Oracle join operator (+) must be used on both sides of the join condition in the WHERE clause.
- E. It includes rows that are returned by a Cartesian product.
Answer: A,B
NEW QUESTION 68
Examine the description of the BOOKStable:
The table has 100 rows.
Examine this sequence of statements issued in a new session:
Which two statements are true? (Choose two.)
- A. The second ROLLBACK command does nothing.
- B. The first ROLLBACKcommand restores the 101 rows that were deleted, leaving the inserted row still to be committed.
- C. The second ROLLBACKcommand replays the delete.
- D. The second ROLLBACK command undoes the insert.
- E. The first ROLLBACKcommand restores the 101 rows that were deleted and commits the inserted row.
Answer: D,E
NEW QUESTION 69
Examine the commands used to create DEPARTMENT_DETAILS and
COURSE_DETAILS:
You want to generate a report that shows all course IDs irrespective of whether they have corresponding department IDs or not but no department IDs if they do not have any courses.
Which SQL statement must you use?
- A. SELECT c.course_id, d.department_id FROM course_details c RIGHT OUTER JOIN
.department_details d ON (c.depatrment_id=d.department_id) - B. SELECT c.course_id, d.department_id FROM course_details c FULL OUTER JOIN department_details d ON (c.department_id=d. department_id)
- C. SELECT c.course_id, d.department_id FROM course_details c FULL OUTER JOIN department_details d ON (c.department_id<>d. department_id)
- D. SELECT course_id, department_id, FROM department_details d RIGHT OUTER JOIN course_details c USING (department_id)
Answer: B
NEW QUESTION 70
Choose the best answer.
Examine the description of the EMPLOYEES table:
Which query is valid?
- A. SELECT dept_id,MAX(AVG(salary)) FROM employees GROUP BY dept_id;
- B. SELECT dept_id, join_date,SUM(salary) FROM employees GROUP BY dept_id, join_date;
- C. SELECT depe_id,join_date,SUM(salary) FROM employees GROUP BY dept_id:
- D. SELECT dept_id,AVG(MAX(salary)) FROM employees GROUP BY dapt_id;
Answer: B
NEW QUESTION 71
You must display details of all users whose username contains the string 'ch_'. (Choose the best answer.) Which query generates the required output?
- A. SELECT * FROM users Where user_name LIKE '%ch\_%' ESCAPE '\';
- B. SELECT * FROM usersWhere user_name LIKE '%ch_%'ESCAPE'%';
- C. SELECT * FROM users Where user_name LIKE 'ch\_%' ESCAPE '_';
- D. SELECT * FROM users Where user_name LIKE '%ch_';
Answer: B
NEW QUESTION 72
The ORDERStable has a primary key constraint on the ORDER_IDcolumn.
The ORDER_ITEMStable has a foreign key constraint on the ORDER_IDcolumn, referencing the primary key of the ORDERStable.
The constraint is defined with ON DELETE CASCADE.
There are rows in the ORDERStable with an ORDER_TOTALof less than 1000.
Which three DELETEstatements execute successfully?
DELETE order_id FROM orders WHERE order_total < 1000;
- A. DELETE FROM orders WHERE order_total < 1000;
- B. DELETE FROM orders;
- C. DELETE * FROM orders WHERE order_total < 1000;
- D. DELETE orders WHERE order_total < 1000;
- E.
Answer: C,D,E
NEW QUESTION 73
In the EMPLOYEES table there are 1000 rows and employees are working in the company for more than 10 years.
Evaluate the following SQL statement:
What would be the result?
- A. It gives an error because multiple NVL functions are used in an expression.
- B. It gives an error because NVL function cannot be used with UPDATE.
- C. It executes successfully but no rows updated.
- D. It executes successfully and updates the records of those employees who have been working in the company for more than 600 days.
Answer: D
NEW QUESTION 74
Examine the structure of the INVOICEtable.
Which two SQL statements would execute successfully?
- A. SELECT inv_no, NVL2(inv_date, sysdate-inv_date, sysdate)
FROM invoice; - B. SELECT inv_no, NVL2(inv_date, 'Pending', 'Incomplete')
FROM invoice; - C. SELECT inv_no, NVL2(inv_amt, inv_amt*.25, 'Not Available')
FROM invoice; - D. SELECT inv_no, NVL2(inv_amt, inv_date, 'Not Available')
FROM invoice;
Answer: A,B
NEW QUESTION 75
Examine this description of the PRODUCTS table:
You successfully execute this command:
Which two statements execute without errors?
- A. Option D
- B. Option A
- C. Option C
- D. Option B
Answer: D
NEW QUESTION 76
Examine the description of the PRODUCT_INFORMATION table:
- A. SELECT count(nvl( list_price,0)) FROM product_information WHERE list_price is null;
- B. BELECT COUNT(list_price) FROM product_information where list_price is NULL;
- C. SELECT COUNT(DISTINCT list_price) FROM product_information WHERE list_price is null.
- D. SELECT (COUNT(list_price) FROM Product_intormation WHERE list_price=NULL;
Answer: A
NEW QUESTION 77
View the exhibit and examine the structure of the SALES, CUSTOMERS, PRODUCTSand TIMEStables.
The PROD_IDcolumn is the foreign key in the SALEStable, which references the PRODUCTStable.
Similarly, the CUST_IDand TIME_IDcolumns are also foreign keys in the SALEStable referencing the CUSTOMERSand TIMEStables, respectively.
Evaluate the following CREATE TABLEcommand:
CREATE TABLE new_sales (prod_id, cust_id, order_date DEFAULT SYSDATE)
AS
SELECT prod_id, cust_id, time_id
FROM sales;
Which statement is true regarding the above command?
- A. The NEW_SALEStable would get created and all the FOREIGNKEYconstraints defined on the specified columns would be passed to the new table.
- B. The NEW_SALEStable would get created and all the NOTNULLconstraints defined on the specified columns would be passed to the new table.
- C. The NEW_SALEStable would not get created because the DEFAULTvalue cannot be specified in the column definition.
- D. The NEW_SALEStable would not get created because the column names in the CREATETABLE command and the SELECTclause do not match.
Answer: B
NEW QUESTION 78
Evaluate the following CREATE TABLE command:
Which statement is true regarding the above SQL statement?
- A. It would execute successfully and two indexes ORD_ITM_IDX and ORD_ITM_ID PK would be created.
- B. It would execute successfully and only ORD_ITM_IDX index would be created.
- C. It would give an error because the USING INDEX clause cannot be used on a composite primary.
- D. It would give an error because the USING INDEX is not permitted in the CRETAE TABLE command.
Answer: B
NEW QUESTION 79
Evaluate the following statement.
Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?
- A. Each row is evaluated by the first WHEN clause and if the condition is true, then the row would be evaluated by the subsequent WHEN clauses.
- B. Each row is evaluated by the first WHEN clause and if the condition is false then the row would be evaluated by the subsequent WHEN clauses.
- C. The INSERT statement will return an error because the ELSE clause is missing.
- D. All rows are evaluated by all the three WHEN clauses.
Answer: D
NEW QUESTION 80
You want to return the current date and time from the user session, with a data type of TIMESTAMP WITH TIME ZONE.
Which function will do this?
- A. CURRENT_ TIMESTAMP
- B. SYSDATE
- C. LOCALTIMESTAMP
- D. CURRENT DATE
Answer: A
NEW QUESTION 81
Which two statements are true about the SET VERIFY ON command?
- A. It can be used in SQL Developer and SQL*Plus.
- B. It displays values for variables created by the DEFINE command.
- C. It can be used only in SQL*plus.
- D. It displays values for variables prefixed with &&.
- E. It displays values for variables used only in the WHERE clause of a query.
Answer: C,D
NEW QUESTION 82
View the Exhibits and examine the structure of the COSTSand PROMOTIONStables.
You want to display PROD_IDSwhose promotion cost is less than the highest cost PROD_IDin a promotion time interval.
Examine this SQL statements:
What will be the result?
Exhibit 1.
Exhibit 2.
- A. It executes successfully but does not give the required result
- B. It gives an error because the GROUP BYclause is not valid
- C. It gives an error because the ALLkeyword is not valid
- D. It executes successfully and gives the required result
Answer: D
NEW QUESTION 83
You execute the following commands:
SQL > DEFINE hiredate = '01-APR-2011'
SQL >SELECT employee_id, first_name, salary
FROM employees
WHERE hire_date > '&hiredate'
AND manager_id > &mgr_id;
For which substitution variables are you prompted for the input?
- A. both the substitution variables ''hiredate' and 'mgr_id'.
- B. only 'mgr_id'
- C. only hiredate'
- D. none, because no input required
Answer: B
NEW QUESTION 84
Examine this SELECT statement and view the Exhibit to see its output:
SELECT constraints_name, constraints_type, search_condition, r_constraints_name, delete_rule, status, FROM user_constraints WHERE table_name = 'ORDERS'; Which two statements are true about the output? (Choose two.)
- A. The DELETE_RULE column indicates the desired state of related rows in the child table when the corresponding row is deleted from the parent table.
- B. The STATUS column indicates whether the table is currently in use.
- C. In the second column, 'c' indicates a check constraint.
- D. The R_CONSTRAINT_NAME column contains an alternative name for the constraint.
Answer: A,C
NEW QUESTION 85
View the Exhibit and examine the structure of CUSTOMERStable.
Evaluate the following query:
Which statement is true regarding the above query?
- A. It produces an error because the condition on the CUST_FIRST_NAMEcolumn is not valid.
- B. It produces an error because the condition on the CUST_CITYcolumn is not valid.
- C. It produces an error because conditions on the CUST_CREDIT_LIMITcolumn are not valid.
- D. It executes successfully.
Answer: D
NEW QUESTION 86
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